Home / 456,160,521.51-629,514,799.45-257,917,760.01

Finding the Fourth Proportional to 456,160,521.51, 629,514,799.45 and 257,917,760.01

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Solution

The fourth proportional to 456,160,521.51, 629,514,799.45 and 257,917,760.01 is: 355,934,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,160,521.51 : 629,514,799.45 = 257,917,760.01 : x
  2. Step 2: Convert to fraction form
    456,160,521.51/629,514,799.45 = 257,917,760.01/x
  3. Step 3: Cross multiply
    456,160,521.51x = 629,514,799.45 × 257,917,760.01
  4. Step 4: Simplify right side
    456,160,521.51x = 162,363,046,966,643,584
  5. Step 5: Solve for x
    x = 162,363,046,966,643,584/456,160,521.51
  6. Step 6: Final answer
    x = 355,934,017.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.